Private company
Japan Organization of Occupational Health and Safety
Logo: johas.go.jp3
Japan Organization of Occupational Health and Safety is an administrative agency in Japan founded in 2016.1 It is headquartered in Nakahara-ku.1
独立行政法人労働者健康安全機構（ろうどうしゃけんこうあんぜんきこう、Japan Organization of Occupational Health and Safety）は、厚生労働省所管の独立行政法人。2 From the Japanese Wikipedia, CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
- HeadquartersNakahara-ku, Japan1
- Websitewww.johas.go.jp
- Legal formIndependent Administrative Institution1
Corporate structure
Japan Organization of Occupational Health and Safety sits at the top of its group. 6 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.
- Japan Organization of Occupational Health and Safety Nakahara-ku, Japan
- Hamamatsu Rosai Hospital Subsidiary · Hamamatsu, Japan
- Japan Bioassay Research Center Subsidiary · Hadano, Japan
- Kagawa Rosai Hospital Subsidiary · Marugame, Japan
- Sanin Rosai Hospital Subsidiary · Yonago, Japan
- Yamaguchi Rosai Hospital Subsidiary · Sanʼyō-Onoda, Japan
Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.
Subsidiaries and ownership
Subsidiaries
- Hamamatsu Rosai Hospital
- Japan Bioassay Research Center
- Kagawa Rosai Hospital
- Sanin Rosai Hospital
- Yamaguchi Rosai Hospital
From Wikidata.1
Timeline
- 2016Founded Founded1
Links
- Websitewww.johas.go.jp1
- More imagesWikimedia Commons
- WikidataQ11399880
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1
- 2
- 3Company websiteJapan Organization of Occupational Health and Safety logo